iscsi target and VMware/esxi timeouts

[Patrick M. Hausen]

Hello,

> Am 14.11.2017 um 10:08 schrieb Daniel Braniss <danny at cs.huji.ac.il>:
> 
> Hi,
> we are experimenting issues with several esxi’s servers that use freebsd 10.2 stable as a iscsi target.
> ie:
> Nov 11 17:58:16 store-07 kernel: WARNING: 132.65.11.201 (iqn.1998-01.com.vmware:pe-02-2fa7cd9e): no ping reply (NOP-Out) after 5 seconds; dropping connection
> Nov 11 17:58:16 store-07 kernel: WARNING: 132.65.11.201 (iqn.1998-01.com.vmware:pe-02-2fa7cd9e): no ping reply (NOP-Out) after 5 seconds; dropping connection
> Nov 11 17:58:16 store-07 kernel: WARNING: 132.65.11.205 (iqn.1998-01.com.vmware:pe-03-13e8b52d): no ping reply (NOP-Out) after 5 seconds; dropping connection
> Nov 11 17:58:17 store-07 kernel: WARNING: 132.65.11.203 (iqn.1998-01.com.vmware:pe-13-60e87d06): no ping reply (NOP-Out) after 5 seconds; dropping connection
> Nov 11 17:58:17 store-07 kernel: WARNING: 132.65.11.205 (iqn.1998-01.com.vmware:pe-03-13e8b52d): no ping reply (NOP-Out) after 5 seconds; dropping connection
> 
> these are 3 different esxis that almost at the same time the target looses connection to the initiators.
> at the moment most ‘clients’  recover from the scsi error, but older freebsds don’t.
> 
> in any case, increasing the timeout is not helping.
> 
> any clues are welcome :-)
> 
> over the weekend i’m planning to upgrade the target to 11.1 and take for the hills.

Are you using istgt or ctld?

We have did experience similar occasional problems with the former
but never with the latter.

Patrick
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